libexec/rtld-elf/rtld_printf.h

   1 /*-
   2  * Copyright 2011 Konstantin Belousov <kib@FreeBSD.org>.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  * $FreeBSD$
  26  */
  27
  28 #ifndef RTLD_PRINTF_H
  29 #define RTLD_PRINTF_H 1
  30
  31 #include <sys/cdefs.h>
  32 #include <unistd.h>
  33
  34 int rtld_snprintf(char *buf, size_t bufsize, const char *fmt, ...)
  35     __printflike(3, 4);
  36 int rtld_vsnprintf(char *buf, size_t bufsize, const char *fmt, va_list ap);
  37 int rtld_vfdprintf(int fd, const char *fmt, va_list ap);
  38 int rtld_fdprintf(int fd, const char *fmt, ...) __printflike(2, 3);
  39 void rtld_fdputstr(int fd, const char *str);
  40 void rtld_fdputchar(int fd, int c);
  41
  42 #define rtld_printf(...) rtld_fdprintf(STDOUT_FILENO, __VA_ARGS__)
  43 #define rtld_putstr(str) rtld_fdputstr(STDOUT_FILENO, (str))
  44 #define rtld_putchar(c) rtld_fdputchar(STDOUT_FILENO, (c))
  45
  46 #endif